M ott geoege gillette



(No Model.)

M. G. GILLETTE.

HUNG.

No. 354,859. Patented Dec. 21,1886.

TNITED STATES PATENT FFIcE.

MOTT GEORGE GILLETTE, OF NEW YORK, N. Y.

BUNG.

SPECIFICATION forming part of Letters Patent No. 354,859. dated December 21, 1886. Application filed April 28, 1886. Serial No. 200,417. (No model.)

barrel, and B the head of the same, in which To all whom it may concern.-

Be it known that LMoTT GEORGE GILLETTE, a citizen of the United States, residing in the city, county, and State of New York, have invented an Improvement in Vent-Bungs and Tap-Hole Bungs; and Ido hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming part of this specification. I

My invention relates to vent-bungs and taphole bungs more commonly employed for beer and ale casks, but which may be used forany other purpose to which they are applicable.

The invention consists in a new bung, which is driven into the tapered hole formed in a head or stave of a cask, barrel, or keg, for venting the same, or which may be inserted in the side of any other receptacle in which it is necessary to use a vent, or, in the case of the tap-hole bung, may be used to stop the hole in a cask from which the faucet has been withdrawn for excluding the air and preventing the germs of mold from entering the cask and penetrating the wood thereof.

Ishall describe the invention as though wood were the only material employed for the softer and more yielding part of a ventbung or taphole hung, with the reservation thatif any other material be employed the description hereinafter applies to that material as well as to wood.

Figure 1 of the drawings is a partly-sectional view of a portion of a cask with a vent-bung comprising my improvement inserted partly into its head, as hereinafter described. Fig. 2 is a similar sectional view with the ventbung completely inserted. Fig. 3 is aside elevation of the metallic part of said vent-bung; and Fig. 4 is a middle vertical section through the wooden part of said vent-bung.

As the nature of the invention is precisely the same when applied to the tap-hole bung as when applied to the vent-bung, I have not deemed it necessary to show a tap-hole bung in the drawings, or to describe it separately in the specification in detail. The outer construction of the tap-hole bung is precisely the same as that of the vent-bung, and as my invention relates only to said outer construction it'will be sufficient to describe it with reference only to the vent-bung.

A represents the chine of a cask, keg, or

is formed a tapered bung-hole, F, for the inser tion of the vent-bung.

0 represents the wooden part of said ventbung, which has a cylindrical hole, F, formed concentrically therein, without taper, and of sufficient size to allow the part D of the metallic portion of the bung to drop freely into saidhole.

The outer perimeter of the wooden part 0 of y the bung is tapered to correspond to the taper of the bung-hole F. The metallic part of the vent-bung is shown at D, d, and E, D representing the body of said metallic portion,which is hollow to inclose the check-valve, and which has vent-holes formed vertically through the same, as shown in dotted outline in Fig. 3. When the metallic part of the vent-bung is inserted in the wooden part 0 of the same, as shown in Fig: 1, the flange d of said metallic part is brought down flush upon the top of said wooden part and abuts firmly against the same, as shown in Figsrl and 2.

E is simply a screw-plug, which is screwed into the top of the metallic part of the bung, for the purpose of inclosing the check-valve.

The body D of the metallic part of the ventaround said body, which, having the shapeof saw-teeth in their cross-section, as shown in all the figures, I will hereinafter call serrated threads.

Screw-threads may be used instead of parallel threads; asshown, but with the disadvantage that the metallic part of the bung can be screwed out of the wooden part, which might occur in attempting to remove the plug E to reach the vent-valve. I therefore, while not limiting myself to parallel threads, prefer to use them for the purpose specified. These serrated threads are preferably formed in such manner that the inclined sides of the threads are directed toward the inner partof the wooden portion C of the Vent-bung when the metallic part of the bung is inserted in said wooden portion.. The engagement of the body D of the metallic part of the vent-bung with the yielding bushing is made permanent by driving a body D of the metallic part, and forces the serrated threads 0 into the material of the wood, thereby effecting the permanent attachment of the body and wooden bushing. In this way the upper part, d and e, of the metallic portion of the bung may be made of such dimensions as to fall wholly Within the margin of the chine A of the cask, barrel, or keg, and may there remain permanently attached out of the way of injury.

It will be seen that thevent-bung inserted in this way in nowise interferes with the ordinary process of washing kegs or casks, and also that the insertion of the vent-bung may be made in very much less time than would be required to screw a metallic vent-bung into the wood itself. These vent-bungs are inserted at the brewery, and the beer barrels and kegs therefore go to the consumer already vented, thereby saving them the trouble of inserting vents; 0

also, it obviates the necessity of applying a new ventbung every time the package is filled, thereby effecting a great saving in the expense of such bungs.

Beer kegs or casks now in use have two iron bushings, a bungand tap'hole bush, respectively. The adoption of this vent or tap-valve bung requires no change or alteration in the present construction of the packages, the wood bush 0 taking the place of the present iron bush.

Having thus described my improvement, what I claim as new, and desire to secure by Letters Patent, is-

A vent or tap-hole bung constructed of a metallic portion inserted into the softer portion constituting the bush of said metallic poi tion, the metallic portion being formed with threads 0 upon its body, and the flange d, for the engagement of the softer bush portion when the whole is driven into the bunghole of a cask, substantially as and for the purposes herein specified.

MOTT GEO. GILLETTE.

WVitnesses:

LEICESTER ALLEN,. J NO. E. GAVIN. 

